EP0829568A2 - Machine à laver domestique avec conduits pour l'eau et l'air - Google Patents

Machine à laver domestique avec conduits pour l'eau et l'air Download PDF

Info

Publication number
EP0829568A2
EP0829568A2 EP97112379A EP97112379A EP0829568A2 EP 0829568 A2 EP0829568 A2 EP 0829568A2 EP 97112379 A EP97112379 A EP 97112379A EP 97112379 A EP97112379 A EP 97112379A EP 0829568 A2 EP0829568 A2 EP 0829568A2
Authority
EP
European Patent Office
Prior art keywords
washing machine
line
machine according
line body
overflow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97112379A
Other languages
German (de)
English (en)
Other versions
EP0829568B1 (fr
EP0829568A3 (fr
Inventor
Horst Dipl.-Ing. Wiemer
Edwin Dipl.-Ing. Bolduan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0829568A2 publication Critical patent/EP0829568A2/fr
Publication of EP0829568A3 publication Critical patent/EP0829568A3/fr
Application granted granted Critical
Publication of EP0829568B1 publication Critical patent/EP0829568B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/028—Arrangements for selectively supplying water to detergent compartments
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/02—Water supply

Definitions

  • the invention relates to a household washing machine with lines for the distributed supply of fresh water, for the removal of used alkali and for the guidance of pressure equalization air.
  • Such washing machines are known and customary (DE 37 34 117 A1) and regularly use more or less flexible pipe or hose sections for the respective lines for the respective connection of connecting pieces at different locations in the washing machine of water or air treatment devices.
  • flexible hose lines between the nozzles of electrically switched solenoid valves and the inlet nozzle of a detergent flushing device are used, as is a flexible hose line from the pressure compensating nozzle of an overflow bend to the detergent drain line with a corresponding nozzle, for example on the detergent flushing device, to compensate for pressure differences.
  • the invention has for its object to provide the most economical system for water management within the washing machine in a household washing machine described above. It should be ensured that the individual parts required for the system in terms of numbers and manufacturing technology require the least expenditure.
  • this object is achieved in that a common plastic line body is provided for leading the lines from their supply locations to their derivation locations, the feed line openings of which are connected to the supply and discharge locations in a sealing manner and are mechanically held via elastic sealing sleeves.
  • the inventive design of a household washing machine of the type mentioned allows a substantial reduction in the number of components. Furthermore, various holding elements are dispensed with due to the rigid construction of the plastic line body, which is mounted between all the line openings via sealing sleeves with water treatment assemblies rigidly arranged inside the washing machine housing.
  • the lines for the supply of fresh water are connected on the input side directly to the outputs of solenoid valves.
  • the immediate one is also advantageous in this context connection on the output side of the lines for the supply of fresh water to the inputs of a detergent dispenser.
  • the line body also contains a line for guiding overflow water.
  • Overflow water can be conducted, for example, via the detergent flushing device and from there via a directional drain to a collecting trough in which level sensor switching devices are arranged for overflow protection.
  • the direct connection of the line for guiding overflow water on the inlet side to an overflow connection of the detergent dispenser is particularly advantageous.
  • a pressure compensation line for guiding pressure compensation air can also be integrated in the line body, which is directly connected on the inlet side to a ventilation nozzle of the detergent dispenser and on the outlet side to an overflow bend.
  • the line body contains a riser pipe and a down pipe for the discharge of the used alkali and an overflow bend connecting these two pipes. It is particularly advantageous that the overflow bend is connected to a return tank located in the course of the riser pipe for the retention of an amount of alkali required for backwashing.
  • the integration of the lye removal means into the line body offers the greatest advantage in the integral design of the line body compared to the manufacture, logistics and assembly of individual line parts and hoses with their connecting elements.
  • the line body can be designed in a simple manner by being formed from a plastic blow molded part.
  • At least one tab for provisionally holding the line body is molded onto the line body before the line connections are installed.
  • Such tabs can be hung in the housing parts of the washing machine to temporarily hold the cable body over the edges or slots provided for this purpose.
  • a solenoid valve block 3 with two outlets and a detergent dispenser 4 are attached to the rear wall 2.
  • the detergent dispenser 4 has on its rear underside (not visible) two inlet connections for the supply of fresh water and an overflow connection for the discharge from the suds container (not shown) via the detergent supply line (also not shown) and the detergent dispenser 4 overflowing Water.
  • the detergent dispenser 4 also has a ventilation nozzle which is connected to the free atmosphere. This ventilation nozzle regularly serves to guide air from the free atmosphere into an overflow bend in the drain system, so that when the drain pump is interrupted, the water column in the riser pipe of the drain system is torn off and does not suck the contents of the tub, for example, using the siphon principle.
  • a line body 5 is provided between the water treatment assemblies, to the riser pipe 6 of which a water line 7 (individual component) is connected, which can lead to lye to be pumped out from a drain pump, not shown.
  • the integration of the line 7 in the line body 5 would be technically possible, but is not recommended for handling reasons during assembly, because the drain pump is arranged very far from the rear wall, namely as far as possible on the front wall of the washing machine should be. Therefore, the line body 5 would be much too bulky and would therefore cause handling difficulties in terms of logistical handling and assembly.
  • a hose line 9 is connected to the outlet connection of the downpipe 8 of the line body 5 and is led out of the machine housing 1 at a point not shown here and is therefore shown in dashed lines over part of its length.
  • the return tank 10 lies in terms of piping in the course of an overflow bend (FIG. 2) and is designed quite flat and is guided around this edge in front of a rear housing edge 11, on the one hand to offer as much content as possible but on the other hand as little as possible of the oscillating space required by the oscillating tub container unit occupy.
  • 5 tabs 12 and 13 are attached to the line body, which can be inserted through assigned slots in the rear wall of the housing and give the line body 5 a movable hold in the longitudinal direction of the lines.
  • the line body 5 shown in detail in FIG. 2 contains the ascending and descending pipes 6 and 8 and the return tank 10 arranged in the course of the overflow bend 14.
  • the lye to be pumped out of the connecting pipe 7 fills the return tank via the connection piece 15 and the rising pipe 6 10 before it reaches the drain hose 9 via the overflow bend 14 and the downpipe 8.
  • atmospheric air flows from the nozzle 16 into the overflow bend 14 and causes the lye columns to tear open. This avoids that after reaching the overflow bend 14, the tub can be sucked out automatically even when the pump is switched off.
  • the line body 5 further contains fresh water supply lines 17 and 18, the inlet-side connections 19 and 20 are connected via elastic sealing sleeves 21 and 22 to outlet connections (not shown) of the solenoid valves 3 (FIG. 1). In the same way, the outlet ports 23 and 24 of the lines 17 and 18 are connected via sealing sleeves 25 and 26 to the inlet ports of the detergent dispenser 4, not shown. Between the supply lines 17 and 18, a line 27 for guiding overflow water is arranged in the line body 5.
  • the overflow nozzle in the detergent dispenser 4 which is likewise not visible, is connected to its inlet nozzle 28 via a sealing sleeve 29.
  • the outlet-side connector 30 of the line 27 can either be free or via a Sealing sleeve 31 open into a water guiding device which leads the overflow water discharged into a floor pan 32 (FIG. 1), where safety switching devices (not shown) may signal the presence of overflow water.
  • the tabs 12 and 13 are inserted into corresponding slots for the provisional attachment of the line body 5 to the rear wall of the washing machine. Thereafter, the connections of the pipe sockets 16, 19, 20, 23, 24, 28 and 30 are connected via their assigned sealing sleeves to the modules 3 and 4 which are fixed in the washing machine. To keep the line body on the rear wall, tabs 33 and 34 are used, which are bent towards the rear wall and protrude beyond the outer contour of the line body.
  • the invention is not restricted to the exemplary embodiment shown.
  • the cable routing must be adapted to the particular circumstances in a washing machine, which also applies to the position and position of the connecting pieces.
  • further lines can be provided in the line body, for example a fresh leakage water line according to DE 37 34 117 A1. If the supply of fresh water and detergent from the detergent dispenser 4 is not connected in the upper part of the tub, but should flow into any area in the bottom of the tub via a longer line, then it is also recommended to integrate the water / detergent line into the Conductor body 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Detergent Compositions (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Gas Separation By Absorption (AREA)
EP97112379A 1996-09-16 1997-07-18 Machine à laver domestique avec conduits pour l'eau et l'air Expired - Lifetime EP0829568B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19637742A DE19637742A1 (de) 1996-09-16 1996-09-16 Haushalt-Waschmaschine mit Leitungen für die Führung von Wasser und Luft
DE19637742 1996-09-16

Publications (3)

Publication Number Publication Date
EP0829568A2 true EP0829568A2 (fr) 1998-03-18
EP0829568A3 EP0829568A3 (fr) 1998-12-23
EP0829568B1 EP0829568B1 (fr) 2002-06-26

Family

ID=7805810

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97112379A Expired - Lifetime EP0829568B1 (fr) 1996-09-16 1997-07-18 Machine à laver domestique avec conduits pour l'eau et l'air

Country Status (11)

Country Link
US (1) US6101851A (fr)
EP (1) EP0829568B1 (fr)
KR (1) KR100496002B1 (fr)
CN (1) CN1083033C (fr)
AT (1) ATE219802T1 (fr)
BR (1) BR9704726A (fr)
DE (2) DE19637742A1 (fr)
ES (1) ES2181958T3 (fr)
PL (1) PL184016B1 (fr)
RU (1) RU2168576C2 (fr)
TR (1) TR199700955A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1297014B1 (it) * 1997-12-23 1999-08-03 T & P Spa Dispositivo per l'alloggiamento di detergenti e/o altri agenti di lavaggio utilizzabili in una macchina di lavaggio preferibilmente
DE19921441B4 (de) * 1999-05-10 2010-04-15 BSH Bosch und Siemens Hausgeräte GmbH Haushaltgerät, insbesondere Waschmaschine, Waschtrockner oder Geschirrspülmaschine
KR20020045689A (ko) * 2000-12-09 2002-06-20 구자홍 세탁기의 디스펜서어셈블리
US6701944B2 (en) * 2001-01-25 2004-03-09 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Detergent dispenser system
EP1421233A2 (fr) * 2001-07-28 2004-05-26 John Herbert North Perfectionnements apportes a des machines a laver
EP1647624A1 (fr) * 2004-10-14 2006-04-19 Electrolux Home Products Corporation N.V. Machine à laver à chargement frontal avec une gouttière sur le dessus
DE102008019388A1 (de) 2008-04-17 2009-10-22 BSH Bosch und Siemens Hausgeräte GmbH Waschtrockner mit einer belüfteten Trommel
US9309616B2 (en) * 2008-12-19 2016-04-12 BSH Hausgeräte GmbH Laundry handling apparatus with a cuff and a filling support

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2012834A (en) * 1933-03-24 1935-08-27 Walker Dishwasher Corp Faucet attachment
GB1123331A (en) * 1966-01-05 1968-08-14 Dorrien Copely Plastics Ltd J An improved multi-bore flexible conductor
US3788347A (en) * 1972-07-27 1974-01-29 Gen Electric Single hose coupling system
US3941153A (en) * 1973-08-30 1976-03-02 Whirlpool Corporation Water inlet device for controlling flow to an appliance
GB2161501A (en) * 1984-07-11 1986-01-15 Bosch Siemens Hausgeraete Household water-conducting installation
EP0373985A1 (fr) * 1988-11-17 1990-06-20 Caoutchouc Manufacture Et Plastiques Societe Anonyme Accouplement pour tuyau flexible à emboîtement par retournement de joint torique sur un cône de faible angle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019629A (en) * 1959-05-04 1962-02-06 Gen Motors Corp Dispensing device
US3339587A (en) * 1964-04-06 1967-09-05 Gen Electric Discharge device for an autoamtic washing machine
NO116755B (fr) * 1964-11-03 1969-05-19 Electrolux Ab
US3367153A (en) * 1966-06-10 1968-02-06 Gen Motors Corp Fluid supply system for an automatic washing machine
US3508571A (en) * 1967-10-10 1970-04-28 Whirlpool Co Fluid flow system
GB1234442A (fr) * 1968-06-28 1971-06-03
CN88203533U (zh) * 1988-02-15 1988-09-07 滕国强 洗衣机排水管道装置
CN2098602U (zh) * 1991-09-09 1992-03-11 王锦林 低压无扣水管接头

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2012834A (en) * 1933-03-24 1935-08-27 Walker Dishwasher Corp Faucet attachment
GB1123331A (en) * 1966-01-05 1968-08-14 Dorrien Copely Plastics Ltd J An improved multi-bore flexible conductor
US3788347A (en) * 1972-07-27 1974-01-29 Gen Electric Single hose coupling system
US3941153A (en) * 1973-08-30 1976-03-02 Whirlpool Corporation Water inlet device for controlling flow to an appliance
GB2161501A (en) * 1984-07-11 1986-01-15 Bosch Siemens Hausgeraete Household water-conducting installation
EP0373985A1 (fr) * 1988-11-17 1990-06-20 Caoutchouc Manufacture Et Plastiques Societe Anonyme Accouplement pour tuyau flexible à emboîtement par retournement de joint torique sur un cône de faible angle

Also Published As

Publication number Publication date
CN1177658A (zh) 1998-04-01
RU2168576C2 (ru) 2001-06-10
BR9704726A (pt) 1999-01-05
DE19637742A1 (de) 1998-03-19
CN1083033C (zh) 2002-04-17
ES2181958T3 (es) 2003-03-01
TR199700955A3 (tr) 1998-04-21
ATE219802T1 (de) 2002-07-15
EP0829568B1 (fr) 2002-06-26
TR199700955A2 (xx) 1998-04-21
DE59707590D1 (de) 2002-08-01
PL322060A1 (en) 1998-03-30
EP0829568A3 (fr) 1998-12-23
US6101851A (en) 2000-08-15
KR19980024563A (ko) 1998-07-06
PL184016B1 (pl) 2002-08-30
KR100496002B1 (ko) 2005-09-30

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